1040 New Hampshire electronic filing information
State contact information
If you have specific questions about what you can e-file or about rejections you received, contact the state for more information.
Department of Revenue Administration
e-File Coordinator
P O Box 637
109 Pleasant St
Concord, NH 03302-0637
Phone
: 603-230-5000 Tax Refund Inquiries
: 603-230-5920 State electronic filing details
E-filing information | Details |
|---|---|
Grace period | 10 days |
E-filing mandate | No |
Accepts state-only filings | Yes |
Return types accepted | DP-10 (Original or Amended) - through tax year 2024 and Prior BT-Summary - Non-LLC (Original or Amended) BT-Summary - LLC (Original only) BT-Summary - LLC (Amended - Tax Year 2025 and Beyond) |
Return types not accepted | Amended BT-Summary LLC - Tax years 2024 and prior Estimate Payments Extension |
Accepts returns with these conditions | Refund Zero balance Balance due |
Direct deposit of refunds | No |
Accepted forms of payment | Electronic Funds Withdrawal (EFW) Check ePayment |
Signature requirements | Perjury statement considered signature |
Drivers license requirements | Optional |
Supports PDF attachments | Yes |
Tax year(s) supported for e-filing | Current tax year and two prior tax years |
Special considerations | Form DP-10 and Form BT Summary may be filed electronically, with or without Form DP-2210. For more information, see Modernized e-File Handbook for Tax Practitioners, EROs, Transmitters, and Software Developers. DP-10 is being discontinued for all New Hampshire entities, effective for tax year 2025. |